So whenever I am in a match it says that all of my teammates are muted, all settings are fine and all types of voice chat is turned on, is this a bug or am I just stupid?

I got up to gold 1 in the 2nd season. Now I can't get higher than bronze 1 because pretty much every game I either get a team that doesn't work well together or the other half of the time there is one person who throws. There was one guy wh...